Your password can be changed from the Account Settings page, which can be found by clicking your name in the top right corner of the Dashboard.
A brief video of how to request a password change is available here.
To reset your password:
1. Go to the home page
2. Click the "Log In" tab
3. Select `Forgot Password`
4. Enter your email and click "Reset Password"
5. An email will be sent to you which should include a link to the portal where you can reset your password.
Reset your password by visiting the portal here.